3161377812 has 24 divisors (see below), whose sum is σ = 7630912800. Its totient is φ = 1017454816.

The previous prime is 3161377801. The next prime is 3161377819. The reversal of 3161377812 is 2187731613.

3161377812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161377819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4541862 + ... + 4542557.

It is an arithmetic number, because the mean of its divisors is an integer number (317954700).

Almost surely, 2^3161377812 is an apocalyptic number.

It is an amenable number.

3161377812 is an abundant number, since it is smaller than the sum of its proper divisors (4469534988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161377812 is a wasteful number, since it uses less digits than its factorization.

3161377812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084455 (or 9084453 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 3161377812 is about 56226.1310424255. The cubic root of 3161377812 is about 1467.6600302406.

The spelling of 3161377812 in words is "three billion, one hundred sixty-one million, three hundred seventy-seven thousand, eight hundred twelve".